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Re: [PATCH 1/2] x86/xen: use clear_bss() for Xen PV guests
- To: Juergen Gross <jgross@xxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 23 Jun 2022 09:59:32 +0200
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- Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, x86@xxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
- Delivery-date: Thu, 23 Jun 2022 07:59:47 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 22.06.2022 18:10, Juergen Gross wrote:
> Instead of clearing the bss area in assembly code, use the clear_bss()
> function.
>
> This requires to pass the start_info address as parameter to
> xen_start_kernel() in order to avoid the xen_start_info being zeroed
> again.
>
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
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